Home / 160,666.08-221,710.65-92,679

Finding the Fourth Proportional to 160,666.08, 221,710.65 and 92,679

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Solution

The fourth proportional to 160,666.08, 221,710.65 and 92,679 is: 127,892.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,666.08 : 221,710.65 = 92,679 : x
  2. Step 2: Convert to fraction form
    160,666.08/221,710.65 = 92,679/x
  3. Step 3: Cross multiply
    160,666.08x = 221,710.65 × 92,679
  4. Step 4: Simplify right side
    160,666.08x = 20,547,921,331.35
  5. Step 5: Solve for x
    x = 20,547,921,331.35/160,666.08
  6. Step 6: Final answer
    x = 127,892.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.